Penguins get valentines from California Academy of Sciences visitors

February 14, 2013

Jeff Chiu/Associated Press

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African penguins receive valentines from biologist Crystal Crimbchin at The California Academy of Sciences African penguin exhibit in San Francisco, Wednesday, Feb. 13, 2013. The valentines will be used as nesting material.

Jeff Chiu/Associated Press

1of12

African penguins receive valentines from biologist Crystal Crimbchin at The California Academy of Sciences African penguin exhibit in San Francisco, Wednesday, Feb. 13, 2013. The valentines will be used as nesting material.